Snellen "Number" Eye Chart with Red & Green Lines 20 Ft Size 22 x 11 Inch's
| Country | USA |
| Brand | Hal Leonard Publishing Corporation |
| Manufacturer | Hal Leonard |
| Binding | Paperback |
| ItemPartNumber | HL00172427 |
| Model | 172427 |
| UnitCount | 1 |
| UPCs | 888680627430 |
| EANs | 9781495069154 |
| ReleaseDate | 0000-00-00 |